Messages in this thread | | | Date | Thu, 8 Oct 2015 08:23:44 +0200 | From | Miroslav Lichvar <> | Subject | Re: [PATCH] timekeeping: Limit system time to prevent 32-bit time_t overflow |
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On Wed, Oct 07, 2015 at 05:10:34PM +0200, Arnd Bergmann wrote: > On Wednesday 07 October 2015 16:23:44 Miroslav Lichvar wrote: > > Without the limit added by this patch make will go nuts just one week > > later when the 32-bit time_t overflows to Dec 13 1901 and the files > > will appear as 136 years in the future. How is that better? > > Not better or worse at all, that was my point. The time is still > wrong either way, whether you step back by a week or 136 years.
The difference is that with the one-week step the kernel and userspace still agree on the current time and it is always valid from the kernel point of view, absolute timers can be set, etc.
-- Miroslav Lichvar
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